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SB-425 N08221

Description

USA AMS SB-425, SB-425 N08221 Specialsteel Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Rod and Bar and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SB-425 N08221
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SB-425 N08221 Precipitation-Hardening AMS USA Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Rod and Bar

Chemical composition(mass fraction)(wt.%) of the SB-425 N08221

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co
≤0.01 ≤0.05 ≤1.50 ≤0.04 ≤0.01 ≤remaining 0.50 -1.50 0.10 -0.50 ≤0.50 ≤ ≥ 1.00 -6.00 26.00 -30.00 ≤2.50

Mechanical Properties of steel grade SB-425 N08221

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
326 (≥) 155 (≥) 14 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade SB-425 N08221

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
31 - -     0.42 -  
926 441 - 43.3 122   -  
398 - 13 32.2   242 133

Heat Treatment of steel grade SB-425 N08221

Heat treated : 1583°C - 1516°C

Technological Curves of steel grade SB-425 N08221

Cross Reference Table (Equivalent Grade) of SB-425 N08221

Grade Standard Country Application
B-4
ASTM B-4
ASTM B-4
ASTM B-4

Relevant standard of SB-425 N08221

SB-425 Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Rod and Bar SB-425.pdf

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